C++ (Cpp) isect_ray_tri_epsilon_v3 Exemples

Exemple #1

Fichier : editmesh_bvh.c Projet : SuriyaaKudoIsc/blender-git

static void bmbvh_ray_cast_cb(void *userdata, int index, const BVHTreeRay *ray, BVHTreeRayHit *hit)
{
	struct RayCastUserData *bmcb_data = userdata;
	const BMLoop **ltri = bmcb_data->looptris[index];
	float dist, uv[2];
	const float *tri_cos[3];
	bool isect;

	bmbvh_tri_from_face(tri_cos, ltri, bmcb_data->cos_cage);

	isect = (ray->radius > 0.0f ?
	         isect_ray_tri_epsilon_v3(ray->origin, ray->direction,
	                                  tri_cos[0], tri_cos[1], tri_cos[2], &dist, uv, ray->radius) :
	         isect_ray_tri_v3(ray->origin, ray->direction,
	                          tri_cos[0], tri_cos[1], tri_cos[2], &dist, uv));

	if (isect && dist < hit->dist) {
		hit->dist = dist;
		hit->index = index;

		copy_v3_v3(hit->no, ltri[0]->f->no);

		madd_v3_v3v3fl(hit->co, ray->origin, ray->direction, dist);

		copy_v2_v2(bmcb_data->uv, uv);
	}
}

Exemple #2

Fichier : bvhutils.c Projet : Eibriel/kiriblender

float bvhtree_ray_tri_intersection(const BVHTreeRay *ray, const float UNUSED(m_dist), const float v0[3], const float v1[3], const float v2[3])
{
	float dist;

	if (isect_ray_tri_epsilon_v3(ray->origin, ray->direction, v0, v1, v2, &dist, NULL, FLT_EPSILON))
		return dist;

	return FLT_MAX;
}